<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>主页</title>
</head>
<body>
<h1 id="name"></h1>
<div id="header">
hello world
</div>
<input type="button" id="btn2" value="发送请求1"/>
<input type="button" id="btn3" value="发送请求2"/>
<script src="jquery-3.1.0.min.js"></script>
<script src="index.js"></script>
</body>
</html>